Home / 3,671.30-5,072.96-2,730.89

Finding the Fourth Proportional to 3,671.30, 5,072.96 and 2,730.89

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Solution

The fourth proportional to 3,671.30, 5,072.96 and 2,730.89 is: 3,773.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671.30 : 5,072.96 = 2,730.89 : x
  2. Step 2: Convert to fraction form
    3,671.30/5,072.96 = 2,730.89/x
  3. Step 3: Cross multiply
    3,671.30x = 5,072.96 × 2,730.89
  4. Step 4: Simplify right side
    3,671.30x = 13,853,695.73
  5. Step 5: Solve for x
    x = 13,853,695.73/3,671.30
  6. Step 6: Final answer
    x = 3,773.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.